Scroll saw adnexa and apply the swing class power tool of this scroll saw adnexa
The present invention relates to a kind of scroll saw adnexa, further relate to install the swing class power tool of this scroll saw adnexa.
The swing class power tool of hand-held is a kind of power tool that industry is common, and it can assemble a series of adnexa work
Make head, such as straight blade, saw blade, triangle frosted dish and spade-type scraper etc..Therefore, it can realize multiple different operating work
Can, as sawed, cut, grind, scraping, to adapt to different work requirements.Its operation principle is the output shaft axial line around self
Do oscillating motion, thus drive the adnexa work head oscillating motion being arranged on output shaft end.
At present, swing class power tool and there is the multiple work head detachably and mutually changed, to adapt to different works
Make demand.But, due to the deficiency of the aspects such as high-frequency drive ability, being completely embedded property of adnexa, swing-type power tool is in work package
On carry out the ability in terms of complex cuts and fine polishing and need to improve.The cutting of these types needs the thinnest a kind of, spirit
The operation element lived, such as the scroll saw of wire, banding or lamellar.To this, industry has carried out positive research, and occurs in that new
Swing class power tool scroll saw adnexa.
Such as, United States Patent (USP) discloses No. 20120066919 and discloses a kind of swing class power tool scroll saw adnexa.Upper
Stating in scheme disclosed in patent, a kind of scroll saw adnexa is fixed on the output shaft of multi-functional main frame by securing member.Specifically,
Scroll saw adnexa includes a spring assembly, the first support arm and the second support arm, wherein the first support arm and the second support arm with
Spring assembly is connected.The proximal part of the first support arm is the first installation portion, closely coupled with output shaft；First support arm
Distal portions is that First Line saws clamp structure.The proximal part of the second support arm is the second installation portion, closely coupled with output shaft；
The distal portions of the second support arm is the second scroll saw clamp structure.First adnexa installation portion and the second installation portion are collectively forming one
The scroll saw adnexa installation portion being connected with output shaft, containing some installing holes on installation portion, is used for housing swing class power tool defeated
Some projections on shaft.
But, there are two problems in above-mentioned patent.One, installation portion is made up of two parts, although by flexure strip
It is more convenient laborsaving that design makes to install scroll saw, but installed part integral rigidity is not enough, and loosening easily occurs in support arm, flexure strip
Knee is susceptible to fracture；Its two, once scroll saw adnexa is installed to power tool, first, second support arm is relatively fixed,
Deformation is the least, and changing saw blade needs to disassemble whole for scroll saw adnexa, causes the operation changing scroll saw relatively complicated.
Therefore, it is necessary to provide a kind of new scroll saw adnexa, and comprise the swing class power tool of this scroll saw adnexa, come
Improve the problems referred to above.
Summary of the invention
The technical problem to be solved is to provide a kind of swing class power tool scroll saw adnexa, this scroll saw adnexa
Having higher rigidity, the life-span is long, and it is more convenient to change scroll saw.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is as follows: a kind of scroll saw adnexa, for by scroll saw
Be removably installed in swing class power tool on, described swing class power tool include housing, the motor being arranged in housing,
The output shaft driven by motor, described scroll saw includes the first pinching end and the second pinching end being connected with scroll saw adnexa, described line
Saw adnexa includes the installed part connected with described output shaft and the flexible piece connected with described installed part, wherein said installed part bag
Include the installation portion being connected with described output shaft；Described flexible piece includes the first support arm and second being arranged on described installed part
Support arm, described first support arm includes the first clamp structure connected with the first pinching end, described second support arm include with
The second clamp structure that second pinching end connects.
Compared with prior art, the invention has the beneficial effects as follows: by the installed part being connected with output shaft is set to one
Individual entirety, improves the rigidity of installed part so that installed part is tightly combined with swinging class power tool output shaft, enhances transmission effect
Really.And the scroll saw installed by the elastic force of flexible piece, after being installed to swing class power tool output shaft, it is not necessary to whole under dismounting
The most replaceable scroll saw of individual adnexa, simplifies operation, facilitates user.
Preferably, described output shaft includes what circumferentially distributed projection, described installation portion included matching with described projection
Shape joins portion.
The connection of output shaft and installed part, is that to join portion by the projection on output shaft and the shape on installed part matched, then
It is fixed by locking part and steps up.Locking part includes bolt and pressing plate.
Preferably, described first clamp structure includes the first fluting housing described first pinching end, described second clamping
Structure includes the second fluting housing described second pinching end, an extension line at least extension of described first, second fluting
Line forms an angle with the axis of described scroll saw.
First clamp structure includes the first fluting and the first draw-in groove, and the second clamp structure includes the second fluting and the second card
Groove.First fluting and the second fluting are the flutings that the distal end faces of support arm from flexible piece extends inward formation, are used for pacifying
First pinching end of wiring saw and the second pinching end.First draw-in groove and the second draw-in groove are that the lateral surface at the two ends from flexible piece is inside
Portion extends the draw-in groove formed, for clamping scroll saw.
The most described angle is less than 45 °.
Generally, the fluting extension line at the first support arm, the second support arm is to overlap, and the most just has one
Problem, when even installing the scroll saw of thinner pinching end, scroll saw there will be loosening, in the running up of Multifunctional rocking motivation,
Scroll saw is likely to come off.For solving this problem, the axis of extension line and scroll saw that the present invention devises fluting is constituted
Angle, is used for installing different types of scroll saw.Different types of scroll saw has different pinching ends.The design of angle meets difference
Connecting of the pinching end of thickness.If thicker pinching end, then scroll saw pinching end needs certain bending and could load it
In, two in the case of angle angle is less, and the suitable bending of scroll saw is acceptable, will not be to scroll saw itself and work
Having an impact under state, the bending of scroll saw simultaneously makes the fixing of scroll saw more fasten；If thinner pinching end, it is mounted directly
, due to the existence of angle so that scroll saw is fixed, do not have and particularly loosen.Purpose based on fixing scroll saw, folder
The design at angle can have various ways.
Flexible piece can be designed to a steel wire or two steel wires, and the elasticity of steel wire need to meet the requirement of scroll saw adnexa.
If a steel wire, its two ends connect on mountings respectively as the first support arm, the second support arm, mid portion, make
Entirety are constituted both.If two steel wires, the most respectively first support arm, the second support arm, and respectively and peace
Piece installing connects.
Preferably, described scroll saw adnexa includes the connection machine for described flexible piece and described installed part being fixed together
Structure, described bindiny mechanism includes that at least two locking member, described flexible piece include the tight lock part coordinated with described locking member, described
The number of tight lock part is corresponding with the number of described locking member, and the adjacent tight lock part of at least two has a certain degree setting.
Flexible piece is fixed on mountings by described locking member, makes flexible piece form an entirety with installed part.Described lock
Tight part can be an entirety with installed part, it is also possible to is to be linked together with installed part by certain mode.In order to by flexibility
Part is preferably fixed on mountings, installed part can be provided for house the accepting groove of flexible piece.
The purpose of described locking member is to be fixed together with minimum power with installed part by flexible piece.Due to single lock
After tight part locking, flexible piece remains able to produce displacement relative to installed part, causes loosening.In order to by flexible piece with installed part even
Being connected together and do not produce loosening, described bindiny mechanism includes that at least two locking member, described flexible piece include and described locking
The tight lock part that part coordinates.The number of described tight lock part is corresponding with the number of described locking member, and the locking that at least two is adjacent
Portion has a certain degree setting, and making the flexible piece part being connected with described locking member is bending, thus is fixed on by flexible piece
On installed part, there is not the situation that loosens.
Additionally, described installed part is one piece of sheet metal component, which is provided with multiple hollow hole, one of purpose is to alleviate scroll saw adnexa
Weight, the two of purpose are to cooperate with forming described locking mechanism, and the three of purpose are to increase the rigidity of installed part.
Preferably, described scroll saw adnexa includes connecting the first position-limit mechanism on mountings and the second position-limit mechanism, institute
Stating the first position-limit mechanism for limiting the hunting range of the first support arm, described second position-limit mechanism is for limiting the second support arm
Owing to scroll saw adnexa descends high speed swinging in working order, if the support arm hunting range of flexible piece is relatively big, will
Produce the situation of the support arm fracture of flexible piece.The swing model of the first support arm and the second support arm in order to limit flexible piece
Enclose, be provided with the first position-limit mechanism and the second position-limit mechanism on mountings, limit the first support arm and the pendulum of the second support arm
Dynamic scope, is allowed to be not easy fracture, improves the life-span of scroll saw adnexa.First position-limit mechanism is more proximate to the first support arm, and second
Position-limit mechanism is more proximate to the second support arm, and the hunting range of flexible piece is the least.
Preferably, described first position-limit mechanism and the second position-limit mechanism are identical, and described first position-limit mechanism includes being connected to
The first locating part on described installed part and the second locating part, described first locating part and the second locating part limit the first support arm
Hunting range on the axis direction of described scroll saw.
The restriction of the first support arm hunting range, is realized by two locating parts arranged on mountings.Two
Locating part is distributed in the both sides of flexible piece the first support arm, between distance slightly larger than the diameter of section of described flexible piece.Described
First locating part and the second locating part limit first support arm hunting range on the axis direction of described scroll saw.Locating part can
To select the rigid projections on installed part, connect sheet metal on mountings, by a part for installed part itself, but not
It is limited to these.Described first position-limit mechanism is also possible that the 3rd locating part being connected on described installed part and the 4th spacing
Part, with limit the first support arm be perpendicular to described installed part hunting range in the in-plane direction
Preferably, described first position-limit mechanism and described second position-limit mechanism include the elastic component contacted with flexible piece.
In the high speed swinging of scroll saw adnexa, connecing of flexible piece and described first position-limit mechanism and described second position-limit mechanism
Touch and can produce the biggest power, promote flexible piece to rupture.In order to reduce the generation of flexible piece fracture, at described first position restrainer
The part that structure and described second position-limit mechanism contact with flexible piece, is provided with elastic component.Elastic component can do cushion, reduces
Stress, makes flexible piece be not susceptible to fracture.
Preferably, described first support arm and the bending of the second support arm are connected on described installed part, the axle of described scroll saw
Line is parallel with described installed part place plane and has a certain distance.
The axis of scroll saw is parallel with described installed part place plane and has a certain distance so that can cutting when
There to be bigger depth of cut.Preferably, scroll saw with swing class power tool at the not homonymy of installed part.The axis of scroll saw and institute
State installed part place plane parallel and there is a certain distance, be by described first support arm, the Curved of the second support arm
Become.The bending of the first support arm and the second support arm is symmetrical, and towards the homonymy of installed part.
Another technical problem that the present invention solves is to provide a kind of swing class power tool being mounted with this adnexa.
For achieving the above object, the technical scheme is that a kind of swing class power tool, including housing, be arranged on
Motor in housing, by motor drive output shaft, described output shaft connects and has scroll saw adnexa.
The swing class power tool applying this scroll saw adnexa makes scroll saw do rotation reciprocally swinging under the drive of actuator
Realize the cutting to object, by the installed part being connected with output shaft being set to an entirety, improving the rigidity of installed part, making
Obtain installed part and be tightly combined with swinging class power tool output shaft, enhance transmission effect.And pacified by the elastic force of flexible piece
The scroll saw of dress, after being installed to swing class power tool output shaft, it is not necessary to the most replaceable scroll saw of whole adnexa under dismounting.Swing class
Power tool not only simplifies operation through above improvement, and enhances using effect and the life-span swinging class power tool.
Accompanying drawing explanation
Fig. 1 is the overall schematic of scroll saw adnexa in first embodiment of the invention.
Fig. 2 is the perspective exploded view of scroll saw adnexa in first embodiment of the invention.
Fig. 3 is the schematic diagram that in first embodiment, relation sawed by the fluting of scroll saw adnexa and fine rule.
Fig. 4 is the schematic diagram that in first embodiment, relation sawed by the fluting of scroll saw adnexa and thick line.
Fig. 5 is the overall schematic of scroll saw adnexa in second embodiment of the invention.
Fig. 6 is the perspective exploded view of scroll saw adnexa in second embodiment of the invention.
100. scroll saw adnexa 113. first locating part 120. locking members
102. installed part 114. shapes join portion 121. first position-limit mechanism
104. flexible piece 115. second locating part 123. second position-limit mechanisms
106. scroll saw 116. centre bore 122. first support arms
108. installation portion 117. the 3rd locating part 124. second support arms
110. bindiny mechanism 118. accepting groove 126. first clamp structures
112. hollow hole 119. the 4th locating part 128. second clamp structures
130. first fluting 204. flexible piece 226. second support arms
132. second fluting 206. scroll saw 228. first clamp structures
134. first draw-in groove 208. attachment structure 230. second clamp structures
136. second draw-in groove 210. installation portion 232. first pinching ends
138. first pinching end 212. locking member one 234. second pinching ends
140. second pinching end 214. locking member 2 236. first position-limit mechanisms
142. tight lock part 216. locking member 3 238. second position-limit mechanisms
144. first fixture block 217. ring plate 240. far-ends
146 second fixture block 218. tight lock part 242. near-ends
200. scroll saw adnexa 220. accepting grooves
202. installed part 224. first support arms
Detailed description of the invention
Below in conjunction with the accompanying drawings and the present invention is described in further detail by detailed description of the invention.
As it is shown in figure 1, the first embodiment of the present invention discloses a kind of scroll saw adnexa for swinging class power tool
100.This scroll saw adnexa 100 includes and swings the class power tool output shaft installed part 102 that connects and connect with installed part 102
Flexible piece 104.
Swing class power tool, the motor including housing, being arranged in housing, the drive mechanism driven by motor, by institute
State the output shaft that drive mechanism drives.Output shaft is through the driving of motor, under the moment of torsion of drive mechanism transmits, and can around it certainly
Body axial line does oscillating motion.After the free end of output shaft is connected to different adnexa work heads, i.e. can realize different behaviour
As in figure 2 it is shown, installed part 102 is sheet metal component material, it includes installation portion 108.Installation portion 108 is used for and swings class
Power tool output shaft connects.Installation portion 108 includes that shape joins portion 114 and centre bore 116.For scroll saw adnexa and swing class power
Can have the most stable connection between instrument output shaft, shape is joined portion 114 and is provided with multiple hole, and class power tool is defeated with swinging
Some projections circumferentially distributed on shaft match.Centre bore 116 is for by locking part (not shown).Centre bore 116 is in half
Arc so that during the replacing of scroll saw adnexa 100, only need to loosen locking part and i.e. can be taken off adnexa so that dismounting adnexa is the most square
Just.Additionally, be provided with some hollow holes 112 on installed part 102, to alleviate the weight of scroll saw adnexa, increase installed part simultaneously
Scroll saw 106 includes the first pinching end 138 and the second pinching end 140.First pinching end 138 includes the first fixture block 144,
Second pinching end includes the second fixture block 146.
Flexible piece 104 is a kind of spring steel wire, and itself is in approximate U shape, including the first support arm 122 and the second support arm
124.First support arm 122 and the second support arm 124 are symmetrically arranged.First support arm 122 includes and the first pinching end 138
The first clamp structure 126 connected, the second support arm 124 includes the second clamp structure 128 connected with the second pinching end 140.
First clamp structure 126 includes the first fluting 130 and the first draw-in groove 134, and the second clamp structure 128 includes the second fluting 132 He
Second draw-in groove 136.First fluting 130 and the second fluting 132 are that the end face from the two ends of flexible piece 104 extends opening of formation inwards
Groove, for housing the first pinching end 138 and the second pinching end 140 of scroll saw 106.First draw-in groove 134 and the second draw-in groove 136 be from
The draw-in groove that the lateral surface at the two ends of flexible piece 104 is excavated.First draw-in groove 132 is for housing the first fixture block 144, the second draw-in groove
136 for housing the second fixture block 146.
For making scroll saw adnexa 100 can clamp the scroll saw 106 of different thicknesses, the first fluting 130 and the second fluting 132 have
Special design.As shown in Figure 3 and Figure 4, the extension line of the i.e. first fluting 130 and the second fluting 132 is not in this special design
On the same line.The extension line of the first fluting 130 and the second fluting 132 is all certain angle α with the axis of scroll saw 106,
Angle α is less than 45 °.The design of angle meets connecting of the pinching end of different thicknesses.If thicker pinching end, then line
Sawing 106 pinching ends to need certain bending and could load wherein, in the case of angle α angle is less, scroll saw 106 is suitable
Bending is acceptable, will not have an impact under scroll saw itself and duty, and the bending of scroll saw 106 simultaneously makes scroll saw
106 fix more fastens, as shown in Figure 4；If thinner pinching end, it is mounted directly, as shown in Figure 3.Due to folder
The existence at angle so that scroll saw 106 is fixed, does not haves and particularly loosens.Purpose based on fixing scroll saw 106, angle
Design can have various ways.
Referring back to Fig. 2, the first support arm 122 and the second support arm 124 are in bending.The most symmetrical by two support arms
Bending, the straight line that can make scroll saw 106 place after being installed to scroll saw adnexa 100 is parallel with the plane at installed part 102 place,
And there is a certain distance.This distance can make to swing class power tool and carry out some deeper cuttings, the big I root of distance
It is designed according to being actually needed depth of cut.The curved design of the first support arm 122 and the second support arm 124 improves swing class
The application of power tool.
For making scroll saw adnexa 100 form good transmission effect, installed part 102 and flexible piece 104 are by bindiny mechanism 110
Bindiny mechanism 110 includes at least two locking member 120.Locking member 120 is sheet metal, connects on mountings.When
So, locking member can also be one-body molded with installed part.Flexible piece 102 includes the tight lock part 142 matched with locking member 120, and
The number of tight lock part 142 is corresponding with locking member 120, the corresponding tight lock part 142 of each locking member 120.Locking member 120 leads to
Cross inclusion tight lock part 142, flexible piece 104 is fixed on mountings.In order to make flexible piece 104 be stably fixed to installed part
On 102, at least two adjacent angled settings of tight lock part 142.In the present embodiment, bindiny mechanism 110 comprises three locks
Tight part 120, roughly triangular arrangement.For preferably fixed installation part 102 and flexible piece 104, bindiny mechanism can also include
Accepting groove 118.Accepting groove 118 is that installed part 102 outward flange is by 90 degree in the same direction bendings and the hollow hole 112 on installed part 102
Edge constitute space, in approximate U shape, be used for housing flexible piece 104.U-shaped accepting groove 118 includes 5 straight flanges, in this enforcement
In example, locking member 120 is evenly distributed on three straight flanges of centre.
In order to limit the first support arm 122 and hunting range of the second support arm 124, installed part 102 also includes first
Position-limit mechanism 121 and the second position-limit mechanism 123.First position-limit mechanism 121 is identical with the second position-limit mechanism 123.Second position restrainer
Structure 123 includes the first locating part 113 and the second locating part 115.First locating part 113 is the projection on installed part 102, the second limit
Position part 115 is the side vertical with installed part 102 place plane, and the first locating part 113 and the second locating part 115 are at scroll saw 106
Axis direction on distance slightly larger than the diameter of section of the first support arm 122, the first locating part 113 and the second locating part 115
Setting limit the flexible piece 104 hunting range on the axis direction of scroll saw 106.In order to limit flexible piece 104 vertically
In installed part 102 hunting range in the in-plane direction, the first position-limit mechanism 121 also includes the 3rd locating part 117 and the 4th
Locating part 119.3rd locating part 117 is attached to sheet metal on installed part 102, and the 4th locating part 119 is bottom accepting groove 118
A part, the 3rd locating part 117 and the 4th locating part 119 be perpendicular to installed part 102 distance in the in-plane direction slightly
More than the diameter of section of the first support arm 122, the setting of the 3rd locating part 117 and the 4th locating part 119 limits flexible piece 104
Be perpendicular to installed part 102 hunting range in the in-plane direction, thus improve the service life of scroll saw adnexa 100.The
One position-limit mechanism 121 is more proximate to the first support arm 122, and the hunting range of the first support arm is the least.
In order to reduce the stress of flexible piece 104, preventing it from rupturing, the first position-limit mechanism 121 and the second position-limit mechanism 123 wrap
Include the elastic component (not shown) contacted with flexible piece 104.Elastic component in the present embodiment selects sheet rubber, and sheet rubber can do slow
Rush layer, reduce stress, make flexible piece be not susceptible to fracture.
Scroll saw 106 is installed can operate as follows: first, holds first support arm and second of flexible piece 104 spring steel wire
Support arm so that the distance between two support arms shortens；Second, respectively by the first pinching end 144 and the second clamping of scroll saw
End 146 is arranged on the first clamp structure 126 and second clamp structure 128 of flexible piece；3rd, unclamp support arm, spring steel
Scroll saw 106 is strained by silk by the elastic force of self.Hereafter the scroll saw adnexa 100 installing scroll saw 106 is coupled on output shaft
?.After scroll saw adnexa 100 is installed on output shaft, if desired for changing scroll saw 106, directly can not pull down whole line
In the case of saw adnexa 100, directly the distance between shortening two support arms, can pull down scroll saw 106, more again
New saw blade is installed.
Certainly, flexible piece 104 can also be by being welded together with installed part 102.As by flexible piece 104 directly with
Installed part 102 welds.
As shown in Figure 5 and Figure 6, the second embodiment of the present invention discloses a kind of scroll saw for swinging class power tool
Adnexa 200.This scroll saw adnexa 200, with the scroll saw adnexa 100 in first embodiment, is joined including with swing class power tool output shaft
The installed part 202 connect and the flexible piece 204 connected with installed part 202.
Except that, flexible piece 204 includes symmetrically arranged first support arm 224 and the second support arm 226, and two are propped up
Brace is bent outwardly, and increases width between the two, to adapt to the length of scroll saw 106.
Bindiny mechanism 208 includes at least two locking member and ring plate 217.In the present embodiment, bindiny mechanism 208 specifically includes
Three locking members, respectively locking member 1, locking member 2 214, locking member 3 216.Three locking members are by ring plate 217 phase
Even, an entirety is formed.Three locking members match with the tight lock part 218 of flexible piece 204.Bindiny mechanism 208 is by by three
Locking member and ring plate 217 are welded with installed part 202, flexible piece 204 and installed part 202 are linked together.In the present embodiment
Ring plate 217 can not exist, also can reach the desired effect of bindiny mechanism 208.
In order to limit the first support arm 224 and hunting range of the second support arm 226, the present embodiment is also provided with the first limit
Position mechanism 236 and the second position-limit mechanism 238.Except that, the first position-limit mechanism 236 is realized by locking member 1.Lock
Tight part 1 includes the far-end 240 away from the first support arm 224 and the near-end 242 near the first support arm 224.Far-end 240 with
Flexible piece 204 is combined closely, and be locked flexible piece 204.There is space between near-end 242 and flexible piece 204, constitute the first limit
Position mechanism 236.Second position-limit mechanism 238 is identical with the first position-limit mechanism 236, is realized by locking member 2 214.